| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Suzuki, Ibaraki (鈴木) | 300-0334 |
| Postal/ZIP Codes in Takaku, Ibaraki (竹来) | 300-0305 |
| Postal/ZIP Codes in Uzurano, Ibaraki (うずら野) | 300-0341 |
| Postal/ZIP Codes in Wakaguri, Ibaraki (若栗) | 300-0333 |
| Postal/ZIP Codes in Yoshiwara, Ibaraki (吉原) | 300-1155, 300-1161 |
| Postal Codes in Inashiki | |
|---|---|
| Postal/ZIP Codes in Ami (阿見町) | |
| Postal/ZIP Codes in Kawachi (河内町) | |
| Postal/ZIP Codes in Miho (美浦村) | |